3-61. simplify each of the following expressions without using a calculator. draw diagrams or use words to show your thinking.

a. 4(-2 1/3) + 7 1/6

b. -8+-2(3)

The circumference of a redwood tree trunk is 20π ft, and it is 100 ft tall. what is the approximate volume of the redwood tree trunk? 1,000π ft3 10,000π ft3 4,000π ft3 40,000π ft3

The function show two sisters' savings account and the rate at which they plan to deposit money

Urgent? will give brainliest to the first correct answer what is the area of the figure?